谁能介绍下, when you believe 第一句谁唱的? 还有后面各段落.

(whitney:)many nights we praywith no proof anyone could hearand our hearts a hopeful songwe barely understandnow we are not afraidalthough we know there's much to fearwe were moving mountains longbefore we know we could。oh yeahthere can be miracleswhen you believethough hope is frailit's hard to killwho know what miracleyou can achievewhen you believesomehow you willyou will when you believe。(mariah:)in this time of fearwhen prayer so often proves in vainhope seems like the summer birdstoo swiftly flown awayand now i am standing heremy heart's so full i can't explainseeking faith and speaking wordsi never thought i'd say 。there can be miracleswhen you believe (when you believe)though hope is frailit's hard to killwho know what miracleyou can achieve (you can achieve)when you believesomehow you willyou will when you believe 。(bridge)they don't always happen when you askand it's easy to give in to your fearbut when you're blinded by your paincan't see you way safe through the rainthought of a still resilient voicesays love is very near(chorus)there can be miracles (miracles)when you believe (when you believe)though hope is frailit's hard to killwho know what miraclesyou can achieve (you can achieve)when you believesomehow you willhow you willyou will when you believeyou will when you believejust believejust believeyou will when you believe。made by happy boy